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Integer value testing

isInteger($value, array $options = array()) checks if a given string is an integer value and returns TRUE or FALSE.

Example 576. Integer value testing

<?php
$locale 
= new Zend_Locale('de_AT');
if (
Zend_Locale_Format::isInteger('13.445', array('locale' => $locale))) {
    print 
"integer";
} else {
    print 
"not an integer";
}

Zend Framework